After shooting for about a month with my new D7100 I discovered some dust in the viewfinder / focusing screen or the prism area. The dust is not visible in the images and it does not have any effect ...
The Nikon DK-21 rubber eyecup just collects so much dust and I have to wash it regularly to keep it clean. Any suggestions on how to keep this clean in the camera bag and when handling the camera? or ...